doctype html
html
	mate(charset='utf8')
body
	h2 流程
	h3 for each
	- var imooc={course :'jade',level:'high'}
	- for (var k in imooc)
		p=imooc[k]
	- var sections=[{id: 1,items:['a','b']},{id: 2,items:['c','d']}]
	- var friends=3
	case friends
		when 1
			p this 1 
		when 0
			p this 0
		default
			p this default #{frends} friends
	- lists =['!<>A','<>B','M<<C','D','E','F','G']
	each list in lists
		li!=list

	p
		|abc<strong>aabccs</strong>
		|232
		|2w32
		|23	
	p.
		|abc<strong>aabccs</strong>
		|232
		|2w32
		|23